| article html file updated | 6 February 2020 04:14 CET | Update | https://www.mdpi.com/1422-0067/14/9/18470 |
| article html file updated | 8 May 2019 00:46 CEST | Update | - |
| article html file updated | 21 March 2019 04:12 CET | Update | - |
| article html file updated | 17 June 2015 12:59 CEST | Update | - |
| article html file updated | 31 October 2013 10:15 CET | Update | - |
| article xml file uploaded | 31 October 2013 10:15 CET | Update | https://www.mdpi.com/1422-0067/14/9/18470/xml |
| article html file updated | 14 October 2013 12:48 CEST | Original file | - |
| article xml file uploaded | 14 October 2013 12:48 CEST | Original file | - |
| article supplementary file uploaded. | 6 September 2013 12:15 CEST | - | https://www.mdpi.com/1422-0067/14/9/18470#supplementary |
| article pdf uploaded. | 6 September 2013 12:15 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/9/18470/pdf |